Orbit Arizona Mist 3/8-inch Cooling System with Bonus Pack Preassembled, ready-to-use, flexible misting line cools outdoor areas by up to 20 degrees Fahrenheit Bonus pack includes the Basic system (12ft) plus Expansion kit (10ft) That's 22ft of misting cooling! Expandable up to 50ft. Connects to most standard garden hoses for convenience 1/4 in. nozzle is constructed of brass and stainless-steel for long-lasting use. PVC tubing for durability. Installs in as little as 30 minutes for quick assembly